A hierarchical memory i/o interface architecture for high-speed data communications
1998
The conventional workstation may not be sufficient enough for the bandwidth provided by the high-speed networks due to the performance bottleneck in the I/O subsystem. Specifically, the “delayed acknowledgment” and “windowing out” problems may severely damage system performance. In this work, we propose a novel I/O subsystem architectural design with the hierarchical I/O memories (HIOM) to address these problems and to support the highly pipelined data transmissions in high-speed network environment. The HIOM architecture effectively reduces the data blocking by moving data between the different levels of the I/O buffers. It also provides large receiving I/O buffer space to offset the effect of network propagation delay during the long-distance communications.
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